Home / 740,222.70-1,109,848.05-290,672.70

Finding the Fourth Proportional to 740,222.70, 1,109,848.05 and 290,672.70

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Solution

The fourth proportional to 740,222.70, 1,109,848.05 and 290,672.70 is: 435,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,222.70 : 1,109,848.05 = 290,672.70 : x
  2. Step 2: Convert to fraction form
    740,222.70/1,109,848.05 = 290,672.70/x
  3. Step 3: Cross multiply
    740,222.70x = 1,109,848.05 × 290,672.70
  4. Step 4: Simplify right side
    740,222.70x = 322,602,529,283.24
  5. Step 5: Solve for x
    x = 322,602,529,283.24/740,222.70
  6. Step 6: Final answer
    x = 435,818.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.